Asthafen 1 mg
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Asthafen 1 mg


Asthafen 1 mg is commonly used to treat allergic reactions including asthma attacks. The active ingredient of this medication is Ketotifen. It is advised to use this medication under medical supervision only.

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60 tabs $16.00
90 tabs $23.00

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This medication is usually used to treat allergic reactions. It also may be used to prevent symptoms of asthma and can help decrease the number of asthma attacks by decreasing inflammation in the lungs. This medication works by blocking the release of a certain chemical substance in your body, which can cause spasms of muscle in the airways, inflammation (swelling), and other allergy and asthma symptoms. The active ingredient of this medicine is Ketotifen. It also contains other inactive ingredients such as maize starch, mannitol, gelatin, magnesium stearate, and others. Asthafen 1 mg belongs to the group of medications called antihistamines.

The manufacturer of Asthafen 1 mg is Torrent Pharmaceuticals Ltd.


Usually, the recommended dose per day (24 hours) is one tablet or as directed by your doctor. Take the tablet whole by mouth with a glass full of water and avoid drinks such as alcohol because it may increase the risk of adverse effects. While swallowing, you should not chew, crush, or break the tablet. To decrease the risk of nausea or stomach upset, you can administer the tablet with light food or milk. To get a better effect from Asthafen 1 mg, you should take the tablet at the same time each day.

Do not use Asthafen 1 mg more often than your doctor prescribes because your health condition will not improve faster. However, your physician may increase the dosage for several weeks if you are not noticing the desired result.

In any case, you can choose the liquid form of Ketotifen. In such cases, it is recommended to use a special measuring device or spoon. It is not allowed to use a household spoon because you may get the wrong dose. Tell your doctor if your health condition does not improve or if it worsens.


Physicians may prescribe different dosages for their patients. It depends on the severity of the health condition, other drugs that you may be using, your response to treatment, and age. Consult a doctor if you are not sure what dosage is better for you. In addition, you should continue taking this medication even if you feel well because if you stop the treatment suddenly without the doctor’s approval, symptoms may return.

  • Asthafen 1 mg

Missed Dose

Sometimes, you may forget to take a dose. Therefore, you should administer it as soon as possible. Skip the missed dose and continue the regular treatment if it is near the time for the next dose. It is not allowed to administer an increased dose the next time to catch up because it may increase the risk of adverse effects.


Rarely, if you take more tablets than your doctor prescribes, you may experience an overdose. Stop taking this medication if you notice any of the following symptoms. For example irregular heartbeat, severe dizziness, fainting, breathing problems, and others. Discuss with your doctor for more details.

Side Effects of Asthafen 1 mg

Ketotifen like other medications may give you certain side effects. However, if you are on treatment with this medicine, you may not notice any of the following adverse reactions. Two factors that can cause side effects are overdose and allergy. There are three types of side effects: mild, moderate, and severe.

Mild Side Effects

One factor that can cause mild side effects is dehydration. Thus, it is recommended to increase your water intake to diminish this problem. Furthermore, most patients ignore this category of side effects. Check some examples below:

Moderate Side Effects

Usually, this category of side effects is not dangerous for the patients. It means that they can continue safely the treatment. However, it is advised to inform your doctor if you experience any of the following side effects. For example:

Severe Side Effects

In rare cases, you may experience this category of side effects. However, stop taking Asthafen 1 mg and ask for medical help immediately if you are experiencing any of the following side effects. Your healthcare professional may help you to prevent or avoid adverse effects. Check below some examples:

  • Nervousness
  • Loss of appetite
  • Unusual weight gain or loss
  • Sore throat
  • Joint pain
  • Fever
  • Dark urine
  • Blurred vision
  • Convulsions

This document does not contain all possible adverse effects. Tell your doctor right away, if you experience any of the side effects listed above or any other effects.


Inform your healthcare professional before taking Asthafen 1 mg about your medical history. For example:

  • If you have an allergy to the ingredients of the drug or if you have any other allergies
  • Cancer
  • Surgery
  • Diabetes
  • Glaucoma
  • Heart disease (such as myocardial infarction, heart failure, and others)
  • Kidney or liver disease

Ketotifen may blur your vision or may make you sleepy or dizzy. However, limit or avoid alcoholic drinks while you are on treatment with Asthafen 1 mg because these effects may increase. Moreover, you should not operate machinery or drive during treatment because it may be harmful to you.

Asthafen 1 mg should be used in a pregnant woman when is clearly needed only. Otherwise, it may harm your unborn baby. In addition, you should consult a doctor before breastfeeding, because it is unknown if this medication passes into breast milk.

It is not allowed to use Asthafen 1 mg in patients younger than 3 years old without the doctor’s prescription because it may be harmful to them.


Certain substances and medicines may interact with Asthafen 1 mg. It means that other drugs may change how this medication works by increasing the risk of adverse effects or decreasing its effectiveness. Before using this medication it is recommended to share a list of products that you are using with your doctor. For example supplements, herbal products, prescription medicines, nonprescription medicines, vitamins, and others. Check some examples below:

  • Metformin
  • Cetirizine
  • Amantadine
  • Alcohol
  • Rivastigmine
  • Atropine
  • Azelastine
  • Alprazolam
  • Diazepam
  • Benztropine
  • Marijuana (cannabis)
  • Domperidone
  • Mirtazapine
  • Quinidine
  • Tramadol

This article does not contain a complete list of drug interactions. That’s why it is important to consult a doctor before taking Asthafen 1 mg. In addition, you should not stop, start, or change the dosages without the doctor’s approval because you may experience undesired results.

Additional information

Active Ingredient



Torrent Pharmaceuticals Ltd.


10 tabs/blister




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